From patchwork Wed Jun 20 08:41:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zorro Lang X-Patchwork-Id: 10476457 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0535B600F6 for ; Wed, 20 Jun 2018 08:41:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E8B9628BD5 for ; Wed, 20 Jun 2018 08:41:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DD84A28D1F; Wed, 20 Jun 2018 08:41:37 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 787E628BD5 for ; Wed, 20 Jun 2018 08:41:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753906AbeFTIlf (ORCPT ); Wed, 20 Jun 2018 04:41:35 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:34068 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754050AbeFTIle (ORCPT ); Wed, 20 Jun 2018 04:41:34 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 912AB1698A; Wed, 20 Jun 2018 08:41:33 +0000 (UTC) Received: from dhcp-12-229.nay.redhat.com (dhcp-12-229.nay.redhat.com [10.66.12.229]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4A22F16871; Wed, 20 Jun 2018 08:41:31 +0000 (UTC) From: Zorro Lang To: fstests@vger.kernel.org Cc: linux-xfs@vger.kernel.org Subject: [PATCH v2 3/3] xfstests: dedupe with random io race test Date: Wed, 20 Jun 2018 16:41:14 +0800 Message-Id: <20180620084114.25648-3-zlang@redhat.com> In-Reply-To: <20180620084114.25648-1-zlang@redhat.com> References: <20180620084114.25648-1-zlang@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Wed, 20 Jun 2018 08:41:33 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Wed, 20 Jun 2018 08:41:33 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'zlang@redhat.com' RCPT:'' Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Run several duperemove processes with fsstress on same directory at same time. Make sure the race won't break the fs or kernel. Signed-off-by: Zorro Lang --- V2 did below changes: 1) do sleep 1 after kill processes 2) change SLEEP_TIME to sleep_time 3) add the case to stress group Thanks, Zorro tests/shared/010 | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/shared/010.out | 2 + tests/shared/group | 1 + 3 files changed, 114 insertions(+) create mode 100755 tests/shared/010 create mode 100644 tests/shared/010.out diff --git a/tests/shared/010 b/tests/shared/010 new file mode 100755 index 00000000..c449c247 --- /dev/null +++ b/tests/shared/010 @@ -0,0 +1,111 @@ +#! /bin/bash +# FS QA Test 010 +# +# Dedup & random I/O race test, do multi-threads fsstress and dedupe on +# same directory/files +# +#----------------------------------------------------------------------- +# Copyright (c) 2018 Red Hat Inc. All Rights Reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* + kill_all_stress +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/reflink + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +# duperemove only supports btrfs and xfs (with reflink feature). +# Add other filesystems if it supports more later. +_supported_fs xfs btrfs +_supported_os Linux +_require_scratch_dedupe +_require_command "$DUPEREMOVE_PROG" duperemove +_require_command "$KILLALL_PROG" killall + +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +function kill_all_stress() +{ + local f=1 + local d=1 + + # kill the bash process which loop run duperemove + if [ -n "$loop_dedup_pid" ]; then + kill $loop_dedup_pid > /dev/null 2>&1 + wait $loop_dedup_pid > /dev/null 2>&1 + loop_dedup_pid="" + fi + + # Make sure all fsstress and duperemove processes get killed + while [ $((f + d)) -ne 0 ]; do + $KILLALL_PROG -q $FSSTRESS_PROG > /dev/null 2>&1 + $KILLALL_PROG -q $DUPEREMOVE_PROG > /dev/null 2>&1 + sleep 1 + f=`ps -eLf | grep $FSSTRESS_PROG | grep -v "grep" | wc -l` + d=`ps -eLf | grep $DUPEREMOVE_PROG | grep -v "grep" | wc -l` + done +} + +sleep_time=$((50 * TIME_FACTOR)) + +# Start fsstress +fsstress_opts="-r -n 1000 -p $((5 * LOAD_FACTOR))" +$FSSTRESS_PROG $fsstress_opts -d $SCRATCH_MNT -l 0 >> $seqres.full 2>&1 & +loop_dedup_pid="" +# Start several dedupe processes on same directory +for ((i = 0; i < $((2 * LOAD_FACTOR)); i++)); do + while true; do + $DUPEREMOVE_PROG -dr --dedupe-options=same $SCRATCH_MNT/ \ + >>$seqres.full 2>&1 + done & + loop_dedup_pid="$! $loop_dedup_pid" +done + +# End the test after $sleep_time seconds +sleep $sleep_time +kill_all_stress + +# umount and mount again, verify pagecache contents don't mutate and a fresh +# read from the disk also doesn't show mutations. +find $testdir -type f -exec md5sum {} \; > $TEST_DIR/${seq}md5.sum +_scratch_cycle_mount +md5sum -c --quiet $TEST_DIR/${seq}md5.sum + +echo "Silence is golden" +status=0 +exit diff --git a/tests/shared/010.out b/tests/shared/010.out new file mode 100644 index 00000000..1d83a8d6 --- /dev/null +++ b/tests/shared/010.out @@ -0,0 +1,2 @@ +QA output created by 010 +Silence is golden diff --git a/tests/shared/group b/tests/shared/group index 9c484794..094da27d 100644 --- a/tests/shared/group +++ b/tests/shared/group @@ -12,6 +12,7 @@ 007 dangerous_fuzzers 008 auto stress dedupe 009 auto stress dedupe +010 auto stress dedupe 032 mkfs auto quick 272 auto enospc rw 289 auto quick